In quadrilateral ABCD, side AB is parallel to side DC and ∠A : ∠D = 1 : 2 and ∠C : ∠B = 4 : 5. Measure of angles of quadrilateral ABCD are

60^o, 100^o, 80^o, 120^o

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40^o, 60^o, 100^o, 160^o

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140^o, 120^o, 80^o, 20^o

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110^o, 100^o, 70^o, 80^o

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Solution

The correct option is A
60^o, 100^o, 80^o, 120^o

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Similar questions

The following figure shows a quadrilateral with sides AB and DC parallel to each other.

If $∠ A : ∠ D = 4 : 5$

$∠ B = (3 x - 15)^{\circ} a n d$

$∠ C = (4 x + 20)^{\circ}$

Which of the following options is/are correct ?

∠ A = 60^{\circ}

∠ B : ∠ C : ∠ D = 2 : 4 : 6

∠ C .

In a quadrilateral ABCD, $∠ A + ∠ C$ is 2 times $∠ B + ∠ D$ . If $∠ A = 140^{\circ} a n d ∠ D = 60^{\circ}, t h e n ∠ B =$

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